6963389 has 4 divisors (see below), whose sum is σ = 6972924. Its totient is φ = 6953856.

The previous prime is 6963373. The next prime is 6963391. The reversal of 6963389 is 9833696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3003289 + 3960100 = 1733^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 6963389 - 2⁴ = 6963373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6963589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (1743231).

Almost surely, 2^6963389 is an apocalyptic number.

It is an amenable number.

6963389 is a deficient number, since it is larger than the sum of its proper divisors (9535).

6963389 is an equidigital number, since it uses as much as digits as its factorization.

6963389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534.

The product of its digits is 209952, while the sum is 44.

The square root of 6963389 is about 2638.8234120532. The cubic root of 6963389 is about 190.9590383913.

The spelling of 6963389 in words is "six million, nine hundred sixty-three thousand, three hundred eighty-nine".